An asteroid just 164ft across is still large enough to cause widespread devastation were it to hit us.
Astronomers have identified an asteroid with an orbit so stable that it is almost like a second moon.
The United States is keeping some of its nuclear warheads in case of an apocalyptic asteroid threat.
A huge fast-moving space rock has the potential to bring about the apocalypse in the year 2880.
A meteor shower 470 million years ago is thought to have initiated an explosion of life on Earth.
Three former NASA astronauts are set to reveal some unsettling data on how vulnerable our planet is.
The OSIRIS-REx spacecraft will visit a nearby asteroid, obtain samples and then return them to Earth.
A 250km-wide rock known as Chariklo is the smallest known object to feature a ring system.
Scientists have discovered a double-impact site in Sweden thought to be the result of a binary asteroid.
Could a disc of dark matter on the galactic plane have triggered an apocalyptic asteroid impact ?
Over the last couple of days two large recently discovered asteroids have passed close to our planet.
A sizable asteroid measuring 270m across that was due to pass by the Earth seems to have disappeared.
Scientists have discovered signs of water on Ceres, an icy dwarf planet located in the asteroid belt.
A new study has suggested that very few nearby asteroids are suitable for commercial-scale mining.
NASA has located a half-mile wide asteroid that could pass within 300,000 miles of the Earth.
The asteroid that wiped out the dinosaurs may have also catapulted life to Mars and elsewhere.
The Hubble Space Telescope has photographed an asteroid unlike anything ever seen before.
Distinguished scientists and astronauts met to discuss asteroid mitigation strategies on Friday.
The Japanese space agency is hoping to blast a hole in an asteroid to find out what it's made of.
The asteroid known as 2013 TV135 was discovered by Ukranian astronomers earlier this month.